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Designed with practical applications in mind, the ARA Hydrogen Sulfide (H2S) unit weighs only 92 g and is equipped with a sturdy clip for attaching it to work clothing positioned near the breathing zone. Measuring just 87 mm in length, it does not restrict the worker’s movement and is suitable for use in confined spaces, such as during maintenance work on pipes or tankers. As a self-contained model, users can be confident of their safety in all environments thanks to a three-signal system—consisting of a flashing light, audible alarm, and vibration—that alerts the user to exposure levels reaching hazardous concentrations.
The ARA Hydrogen Sulfide Gas Detector features a daily automatic test function that checks the audible, visual, and vibrating alarms to ensure your employees are protected.
The ARA IR connection* allows you to download the last 30 event logs and configure settings that include the following:
| Specifications | Value |
|---|---|
| Sensor Type | Single-plug-in electrochemical cell |
| Detection Range | H2S: 0 to 100 ppm CO: 0 to 300 ppm SO2: 0 to 50 ppm O2: 0 to 25 % |
| Event Log Storage | Last 30 events |
| Battery | 3.6 Vdc, 1.65 Ah, lithium battery |
| Battery Life / Shelf Life | Standard models: 24 months of operation (2-minute alarms per day) Hibernation models: 36 months of operation (2 minutes per day and using the sleep function) 12-Month Shelf Life |
| User Options | User ID Low Alarm High Alarm Displayed Data (real-time reading or remaining lifespan) Bump Test Interval Calibration Interval Self-Test Interval |
| Alarms | Audio Alarm: (95 dB at 10 cm) Visual Alarm: LED Vibrating Alarm: Vibrator (operates at ± 10 °C) |
| Temperature | H2S, CO, SO2: –40 to 60 °C O2: –30 to 60 °C Humidity: 5–95 % RH |
| Ingress Protection | IP67 |
| Display | Liquid Crystal Display (LCD) |
| Weight and Dimensions | 92 g (3.2 oz) 87 x 50 x 29 mm (3.4 x 2.0 x 1.1 inches) |
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